Restore the empty line after the license

client/api/src/call_executor.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! A method call executor interface.
 
 use std::{panic::UnwindSafe, result, cell::RefCell};

client/api/src/cht.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Canonical hash trie definitions and helper functions.
 //!
 //! Each CHT is a trie mapping block numbers to canonical hash.

client/api/src/in_mem.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! In memory client backend
 
 use std::collections::HashMap;

client/api/src/leaves.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Helper for managing the set of available leaves in the chain for DB implementations.
 
 use std::collections::BTreeMap;

client/api/src/notifications.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Storage notifications
 
 use std::{

client/authority-discovery/src/tests.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use std::{iter::FromIterator, sync::{Arc, Mutex}};
 
 use futures::channel::mpsc::channel;

client/basic-authorship/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Basic implementation of block-authoring logic.
 //!
 //! # Example

client/block-builder/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Substrate block builder
 //!
 //! This crate provides the [`BlockBuilder`] utility and the corresponding runtime api

client/chain-spec/src/chain_spec.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Substrate chain configurations.
 
 use std::{borrow::Cow, fs::File, path::PathBuf, sync::Arc, collections::HashMap};

client/cli/src/commands/build_spec_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error;
 use crate::params::NodeKeyParams;
 use crate::params::SharedParams;

client/cli/src/commands/check_block_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::{
 	CliConfiguration, error, params::{ImportParams, SharedParams, BlockNumberOrHash},
 };

client/cli/src/commands/export_blocks_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error;
 use crate::params::{BlockNumber, DatabaseParams, PruningParams, SharedParams};
 use crate::CliConfiguration;

client/cli/src/commands/export_state_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::{
 	CliConfiguration, error, params::{PruningParams, SharedParams, BlockNumberOrHash},
 };

client/cli/src/commands/import_blocks_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error;
 use crate::params::ImportParams;
 use crate::params::SharedParams;

client/cli/src/commands/purge_chain_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error;
 use crate::params::{DatabaseParams, SharedParams};
 use crate::CliConfiguration;

client/cli/src/commands/revert_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error;
 use crate::params::{BlockNumber, PruningParams, SharedParams};
 use crate::CliConfiguration;

client/cli/src/commands/run_cmd.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::arg_enums::RpcMethods;
 use crate::error::{Error, Result};
 use crate::params::ImportParams;

client/cli/src/config.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Configuration trait for a CLI based on substrate
 
 use crate::arg_enums::Database;

client/cli/src/error.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Initialization errors.
 
 /// Result type alias for the CLI.

client/cli/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Substrate CLI library.
 
 #![warn(missing_docs)]

client/cli/src/params/database_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::arg_enums::Database;
 use structopt::StructOpt;
 

client/cli/src/params/import_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::arg_enums::{
 	ExecutionStrategy, TracingReceiver, WasmExecutionMethod,
 	DEFAULT_EXECUTION_BLOCK_CONSTRUCTION, DEFAULT_EXECUTION_IMPORT_BLOCK,

client/cli/src/params/keystore_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error::Result;
 use sc_service::config::KeystoreConfig;
 use std::fs;

client/cli/src/params/network_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::params::node_key_params::NodeKeyParams;
 use sc_network::{
 	config::{NetworkConfiguration, NodeKeyConfig, NonReservedPeerMode, TransportConfig},

client/cli/src/params/node_key_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use sc_network::config::NodeKeyConfig;
 use sp_core::H256;
 use std::{path::PathBuf, str::FromStr};

client/cli/src/params/pruning_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::error;
 use sc_service::{PruningMode, Role};
 use structopt::StructOpt;

client/cli/src/params/shared_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use std::path::PathBuf;
 use structopt::StructOpt;
 

client/cli/src/params/transaction_pool_params.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use sc_service::config::TransactionPoolOptions;
 use structopt::StructOpt;
 

client/cli/src/runner.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::CliConfiguration;
 use crate::Result;
 use crate::SubstrateCli;

client/consensus/aura/src/digests.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Aura (Authority-Round) digests
 //!
 //! This implements the digests for AuRa, to allow the private

client/consensus/babe/rpc/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! RPC api for babe.
 
 use sc_consensus_babe::{Epoch, authorship, Config};

client/consensus/manual-seal/src/error.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! A manual sealing engine: the engine listens for rpc calls to seal blocks and create forks.
 //! This is suitable for a testing environment.
 use sp_consensus::{Error as ConsensusError, ImportResult};

client/consensus/manual-seal/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! A manual sealing engine: the engine listens for rpc calls to seal blocks and create forks.
 //! This is suitable for a testing environment.
 

client/consensus/pow/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Proof of work consensus for Substrate.
 //!
 //! To use this engine, you can need to have a struct that implements

client/db/src/bench.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! State backend that's useful for benchmarking
 
 use std::sync::Arc;

client/db/src/cache/list_cache.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! List-based cache.
 //!
 //! Maintains several lists, containing nodes that are inserted whenever

client/db/src/cache/list_entry.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! List-cache storage entries.
 
 use sp_blockchain::Result as ClientResult;

client/db/src/cache/list_storage.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! List-cache storage definition and implementation.
 
 use std::sync::Arc;

client/db/src/cache/mod.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! DB-backed cache of blockchain data.
 
 use std::{sync::Arc, collections::{HashMap, hash_map::Entry}};

client/db/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Client backend that is backed by a database.
 //!
 //! # Canonicality vs. Finality

client/db/src/light.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! RocksDB-based light client blockchain storage.
 
 use std::{sync::Arc, collections::HashMap};

client/db/src/offchain.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! RocksDB-based offchain workers local storage.
 
 use std::{

client/db/src/stats.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Database usage statistics
 
 use std::sync::atomic::{AtomicU64, Ordering as AtomicOrdering};

client/db/src/utils.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Db-based backend utility structures and functions, used by both
 //! full and light storages.
 

client/executor/common/src/error.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Rust executor possible errors.
 
 use sp_serializer;

client/executor/common/src/sandbox.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! This module implements sandboxing support in the runtime.
 //!
 //! Sandboxing is baked by wasmi at the moment. In future, however, we would like to add/switch to

client/executor/common/src/util.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! A set of utilities for resetting a wasm instance to its initial state.
 
 use crate::error::{self, Error};

client/executor/src/integration_tests/sandbox.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use super::{TestExternalities, call_in_wasm};
 use crate::WasmExecutionMethod;
 

client/executor/src/lib.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! A crate that provides means of executing/dispatching calls into the runtime.
 //!
 //! There are a few responsibilities of this crate at the moment:

client/executor/src/native_executor.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::{
 	RuntimeInfo, error::{Error, Result},
 	wasm_runtime::{RuntimeCache, WasmExecutionMethod},